first commit

author: Yuchen Pei <me@ypei.me> 2017-11-29 12:30:41 +0100
committer: Yuchen Pei <me@ypei.me> 2017-11-29 12:30:41 +0100
commit: a000308104aab27c2dde9a306f1bc654b2db4806 (patch)
tree: aecc628e14c1628b5714281437aba18680cdc27b /tools/OS
8 files changed, 3947 insertions, 0 deletions
diff --git a/tools/OS/Array.vm b/tools/OS/Array.vm
new file mode 100644
index 0000000..aa4c9e8
--- /dev/null
+++ b/tools/OS/Array.vm
@@ -0,0 +1,23 @@
+function Array.new 0
+push argument 0
+push constant 0
+gt
+not
+if-goto IF_TRUE0
+goto IF_FALSE0
+label IF_TRUE0
+push constant 2
+call Sys.error 1
+pop temp 0
+label IF_FALSE0
+push argument 0
+call Memory.alloc 1
+return
+function Array.dispose 0
+push argument 0
+pop pointer 0
+push pointer 0
+call Memory.deAlloc 1
+pop temp 0
+push constant 0
+return
diff --git a/tools/OS/Keyboard.vm b/tools/OS/Keyboard.vm
new file mode 100644
index 0000000..a806c4e
--- /dev/null
+++ b/tools/OS/Keyboard.vm
@@ -0,0 +1,102 @@
+function Keyboard.init 0
+push constant 0
+return
+function Keyboard.keyPressed 0
+push constant 24576
+call Memory.peek 1
+return
+function Keyboard.readChar 2
+push constant 0
+call Output.printChar 1
+pop temp 0
+label WHILE_EXP0
+push local 1
+push constant 0
+eq
+push local 0
+push constant 0
+gt
+or
+not
+if-goto WHILE_END0
+call Keyboard.keyPressed 0
+pop local 0
+push local 0
+push constant 0
+gt
+if-goto IF_TRUE0
+goto IF_FALSE0
+label IF_TRUE0
+push local 0
+pop local 1
+label IF_FALSE0
+goto WHILE_EXP0
+label WHILE_END0
+call String.backSpace 0
+call Output.printChar 1
+pop temp 0
+push local 1
+call Output.printChar 1
+pop temp 0
+push local 1
+return
+function Keyboard.readLine 5
+push constant 80
+call String.new 1
+pop local 3
+push argument 0
+call Output.printString 1
+pop temp 0
+call String.newLine 0
+pop local 1
+call String.backSpace 0
+pop local 2
+label WHILE_EXP0
+push local 4
+not
+not
+if-goto WHILE_END0
+call Keyboard.readChar 0
+pop local 0
+push local 0
+push local 1
+eq
+pop local 4
+push local 4
+not
+if-goto IF_TRUE0
+goto IF_FALSE0
+label IF_TRUE0
+push local 0
+push local 2
+eq
+if-goto IF_TRUE1
+goto IF_FALSE1
+label IF_TRUE1
+push local 3
+call String.eraseLastChar 1
+pop temp 0
+goto IF_END1
+label IF_FALSE1
+push local 3
+push local 0
+call String.appendChar 2
+pop local 3
+label IF_END1
+label IF_FALSE0
+goto WHILE_EXP0
+label WHILE_END0
+push local 3
+return
+function Keyboard.readInt 2
+push argument 0
+call Keyboard.readLine 1
+pop local 0
+push local 0
+call String.intValue 1
+pop local 1
+push local 0
+call String.dispose 1
+pop temp 0
+push local 1
+return
diff --git a/tools/OS/Math.vm b/tools/OS/Math.vm
new file mode 100644
index 0000000..b660688
--- /dev/null
+++ b/tools/OS/Math.vm
@@ -0,0 +1,408 @@
+function Math.init 1
+push constant 16
+call Array.new 1
+pop static 1
+push constant 16
+call Array.new 1
+pop static 0
+push constant 0
+push static 0
+add
+push constant 1
+pop temp 0
+pop pointer 1
+push temp 0
+pop that 0
+label WHILE_EXP0
+push local 0
+push constant 15
+lt
+not
+if-goto WHILE_END0
+push local 0
+push constant 1
+add
+pop local 0
+push local 0
+push static 0
+add
+push local 0
+push constant 1
+sub
+push static 0
+add
+pop pointer 1
+push that 0
+push local 0
+push constant 1
+sub
+push static 0
+add
+pop pointer 1
+push that 0
+add
+pop temp 0
+pop pointer 1
+push temp 0
+pop that 0
+goto WHILE_EXP0
+label WHILE_END0
+push constant 0
+return
+function Math.abs 0
+push argument 0
+push constant 0
+lt
+if-goto IF_TRUE0
+goto IF_FALSE0
+label IF_TRUE0
+push argument 0
+neg
+pop argument 0
+label IF_FALSE0
+push argument 0
+return
+function Math.multiply 5
+push argument 0
+push constant 0
+lt
+push argument 1
+push constant 0
+gt
+and
+push argument 0
+push constant 0
+gt
+push argument 1
+push constant 0
+lt
+and
+or
+pop local 4
+push argument 0
+call Math.abs 1
+pop argument 0
+push argument 1
+call Math.abs 1
+pop argument 1
+push argument 0
+push argument 1
+lt
+if-goto IF_TRUE0
+goto IF_FALSE0
+label IF_TRUE0
+push argument 0
+pop local 1
+push argument 1
+pop argument 0
+push local 1
+pop argument 1
+label IF_FALSE0
+label WHILE_EXP0
+push local 2
+push constant 1
+sub
+push argument 1
+push constant 1
+sub
+lt
+not
+if-goto WHILE_END0
+push local 3
+push static 0
+add
+pop pointer 1
+push that 0
+push argument 1
+and
+push constant 0
+eq
+not
+if-goto IF_TRUE1
+goto IF_FALSE1
+label IF_TRUE1
+push local 0
+push argument 0
+add
+pop local 0
+push local 2
+push local 3
+push static 0
+add
+pop pointer 1
+push that 0
+add
+pop local 2
+label IF_FALSE1
+push argument 0
+push argument 0
+add
+pop argument 0
+push local 3
+push constant 1
+add
+pop local 3
+goto WHILE_EXP0
+label WHILE_END0
+push local 4
+if-goto IF_TRUE2
+goto IF_FALSE2
+label IF_TRUE2
+push local 0
+neg
+pop local 0
+label IF_FALSE2
+push local 0
+return
+function Math.divide 4
+push argument 1
+push constant 0
+eq
+if-goto IF_TRUE0
+goto IF_FALSE0
+label IF_TRUE0
+push constant 3
+call Sys.error 1
+pop temp 0
+label IF_FALSE0
+push argument 0
+push constant 0
+lt
+push argument 1
+push constant 0
+gt
+and
+push argument 0
+push constant 0
+gt
+push argument 1
+push constant 0
+lt
+and
+or
+pop local 2
+push constant 0
+push static 1
+add
+push argument 1
+call Math.abs 1
+pop temp 0
+pop pointer 1
+push temp 0
+pop that 0
+push argument 0
+call Math.abs 1
+pop argument 0
+label WHILE_EXP0
+push local 0
+push constant 15
+lt
+push local 3
+not
+and
+not
+if-goto WHILE_END0
+push constant 32767
+push local 0
+push static 1
+add
+pop pointer 1
+push that 0
+push constant 1
+sub
+sub
+push local 0
+push static 1
+add
+pop pointer 1
+push that 0
+push constant 1
+sub
+lt
+pop local 3
+push local 3
+not
+if-goto IF_TRUE1
+goto IF_FALSE1
+label IF_TRUE1
+push local 0
+push constant 1
+add
+push static 1
+add
+push local 0
+push static 1
+add
+pop pointer 1
+push that 0
+push local 0
+push static 1
+add
+pop pointer 1
+push that 0
+add
+pop temp 0
+pop pointer 1
+push temp 0
+pop that 0
+push local 0
+push constant 1
+add
+push static 1
+add
+pop pointer 1
+push that 0
+push constant 1
+sub
+push argument 0
+push constant 1
+sub
+gt
+pop local 3
+push local 3
+not
+if-goto IF_TRUE2
+goto IF_FALSE2
+label IF_TRUE2
+push local 0
+push constant 1
+add
+pop local 0
+label IF_FALSE2
+label IF_FALSE1
+goto WHILE_EXP0
+label WHILE_END0
+label WHILE_EXP1
+push local 0
+push constant 1
+neg
+gt
+not
+if-goto WHILE_END1
+push local 0
+push static 1
+add
+pop pointer 1
+push that 0
+push constant 1
+sub
+push argument 0
+push constant 1
+sub
+gt
+not
+if-goto IF_TRUE3
+goto IF_FALSE3
+label IF_TRUE3
+push local 1
+push local 0
+push static 0
+add
+pop pointer 1
+push that 0
+add
+pop local 1
+push argument 0
+push local 0
+push static 1
+add
+pop pointer 1
+push that 0
+sub
+pop argument 0
+label IF_FALSE3
+push local 0
+push constant 1
+sub
+pop local 0
+goto WHILE_EXP1
+label WHILE_END1
+push local 2
+if-goto IF_TRUE4
+goto IF_FALSE4
+label IF_TRUE4
+push local 1
+neg
+pop local 1
+label IF_FALSE4
+push local 1
+return
+function Math.sqrt 4
+push argument 0
+push constant 0
+lt
+if-goto IF_TRUE0
+goto IF_FALSE0
+label IF_TRUE0
+push constant 4
+call Sys.error 1
+pop temp 0
+label IF_FALSE0
+push constant 7
+pop local 0
+label WHILE_EXP0
+push local 0
+push constant 1
+neg
+gt
+not
+if-goto WHILE_END0
+push local 3
+push local 0
+push static 0
+add
+pop pointer 1
+push that 0
+add
+pop local 1
+push local 1
+push local 1
+call Math.multiply 2
+pop local 2
+push local 2
+push argument 0
+gt
+not
+push local 2
+push constant 0
+lt
+not
+and
+if-goto IF_TRUE1
+goto IF_FALSE1
+label IF_TRUE1
+push local 1
+pop local 3
+label IF_FALSE1
+push local 0
+push constant 1
+sub
+pop local 0
+goto WHILE_EXP0
+label WHILE_END0
+push local 3
+return
+function Math.max 0
+push argument 0
+push argument 1
+gt
+if-goto IF_TRUE0
+goto IF_FALSE0
+label IF_TRUE0
+push argument 0
+pop argument 1
+label IF_FALSE0
+push argument 1
+return
+function Math.min 0
+push argument 0
+push argument 1
+lt
+if-goto IF_TRUE0
+goto IF_FALSE0
+label IF_TRUE0
+push argument 0
+pop argument 1
+label IF_FALSE0
+push argument 1
+return
diff --git a/tools/OS/Memory.vm b/tools/OS/Memory.vm
new file mode 100644
index 0000000..5d42aad
--- /dev/null
+++ b/tools/OS/Memory.vm
@@ -0,0 +1,279 @@
+function Memory.init 0
+push constant 0
+pop static 0
+push constant 2048
+push static 0
+add
+push constant 14334
+pop temp 0
+pop pointer 1
+push temp 0
+pop that 0
+push constant 2049
+push static 0
+add
+push constant 2050
+pop temp 0
+pop pointer 1
+push temp 0
+pop that 0
+push constant 0
+return
+function Memory.peek 0
+push argument 0
+push static 0
+add
+pop pointer 1
+push that 0
+return
+function Memory.poke 0
+push argument 0
+push static 0
+add
+push argument 1
+pop temp 0
+pop pointer 1
+push temp 0
+pop that 0
+push constant 0
+return
+function Memory.alloc 1
+push argument 0
+push constant 1
+lt
+if-goto IF_TRUE0
+goto IF_FALSE0
+label IF_TRUE0
+push constant 5
+call Sys.error 1
+pop temp 0
+label IF_FALSE0
+push constant 2048
+pop local 0
+label WHILE_EXP0
+push constant 0
+push local 0
+add
+pop pointer 1
+push that 0
+push argument 0
+lt
+not
+if-goto WHILE_END0
+push constant 1
+push local 0
+add
+pop pointer 1
+push that 0
+pop local 0
+goto WHILE_EXP0
+label WHILE_END0
+push local 0
+push argument 0
+add
+push constant 16379
+gt
+if-goto IF_TRUE1
+goto IF_FALSE1
+label IF_TRUE1
+push constant 6
+call Sys.error 1
+pop temp 0
+label IF_FALSE1
+push constant 0
+push local 0
+add
+pop pointer 1
+push that 0
+push argument 0
+push constant 2
+add
+gt
+if-goto IF_TRUE2
+goto IF_FALSE2
+label IF_TRUE2
+push argument 0
+push constant 2
+add
+push local 0
+add
+push constant 0
+push local 0
+add
+pop pointer 1
+push that 0
+push argument 0
+sub
+push constant 2
+sub
+pop temp 0
+pop pointer 1
+push temp 0
+pop that 0
+push constant 1
+push local 0
+add
+pop pointer 1
+push that 0
+push local 0
+push constant 2
+add
+eq
+if-goto IF_TRUE3
+goto IF_FALSE3
+label IF_TRUE3
+push argument 0
+push constant 3
+add
+push local 0
+add
+push local 0
+push argument 0
+add
+push constant 4
+add
+pop temp 0
+pop pointer 1
+push temp 0
+pop that 0
+goto IF_END3
+label IF_FALSE3
+push argument 0
+push constant 3
+add
+push local 0
+add
+push constant 1
+push local 0
+add
+pop pointer 1
+push that 0
+pop temp 0
+pop pointer 1
+push temp 0
+pop that 0
+label IF_END3
+push constant 1
+push local 0
+add
+push local 0
+push argument 0
+add
+push constant 2
+add
+pop temp 0
+pop pointer 1
+push temp 0
+pop that 0
+label IF_FALSE2
+push constant 0
+push local 0
+add
+push constant 0
+pop temp 0
+pop pointer 1
+push temp 0
+pop that 0
+push local 0
+push constant 2
+add
+return
+function Memory.deAlloc 2
+push argument 0
+push constant 2
+sub
+pop local 0
+push constant 1
+push local 0
+add
+pop pointer 1
+push that 0
+pop local 1
+push constant 0
+push local 1
+add
+pop pointer 1
+push that 0
+push constant 0
+eq
+if-goto IF_TRUE0
+goto IF_FALSE0
+label IF_TRUE0
+push constant 0
+push local 0
+add
+push constant 1
+push local 0
+add
+pop pointer 1
+push that 0
+push local 0
+sub
+push constant 2
+sub
+pop temp 0
+pop pointer 1
+push temp 0
+pop that 0
+goto IF_END0
+label IF_FALSE0
+push constant 0
+push local 0
+add
+push constant 1
+push local 0
+add
+pop pointer 1
+push that 0
+push local 0
+sub
+push constant 0
+push local 1
+add
+pop pointer 1
+push that 0
+add
+pop temp 0
+pop pointer 1
+push temp 0
+pop that 0
+push constant 1
+push local 1
+add
+pop pointer 1
+push that 0
+push local 1
+push constant 2
+add
+eq
+if-goto IF_TRUE1
+goto IF_FALSE1
+label IF_TRUE1
+push constant 1
+push local 0
+add
+push local 0
+push constant 2
+add
+pop temp 0
+pop pointer 1
+push temp 0
+pop that 0
+goto IF_END1
+label IF_FALSE1
+push constant 1
+push local 0
+add
+push constant 1
+push local 1
+add
+pop pointer 1
+push that 0
+pop temp 0
+pop pointer 1
+push temp 0
+pop that 0
+label IF_END1
+label IF_END0
+push constant 0
+return
diff --git a/tools/OS/Output.vm b/tools/OS/Output.vm
new file mode 100644
index 0000000..b8addd7
--- /dev/null
+++ b/tools/OS/Output.vm
@@ -0,0 +1,1852 @@
+function Output.init 0
+push constant 16384
+pop static 4
+push constant 0
+not
+pop static 2
+push constant 32
+pop static 1
+push constant 0
+pop static 0
+push constant 6
+call String.new 1
+pop static 3
+call Output.initMap 0
+pop temp 0
+call Output.createShiftedMap 0
+pop temp 0
+push constant 0
+return
+function Output.initMap 0
+push constant 127
+call Array.new 1
+pop static 5
+push constant 0
+push constant 63
+push constant 63
+push constant 63
+push constant 63
+push constant 63
+push constant 63
+push constant 63
+push constant 63
+push constant 63
+push constant 0
+push constant 0
+call Output.create 12
+pop temp 0
+push constant 32
+push constant 0
+push constant 0
+push constant 0
+push constant 0
+push constant 0
+push constant 0
+push constant 0
+push constant 0
+push constant 0
+push constant 0
+push constant 0
+call Output.create 12
+pop temp 0
+push constant 33
+push constant 12
+push constant 30
+push constant 30
+push constant 30
+push constant 12
+push constant 12
+push constant 0
+push constant 12
+push constant 12
+push constant 0
+push constant 0
+call Output.create 12
+pop temp 0
+push constant 34
+push constant 54
+push constant 54
+push constant 20
+push constant 0
+push constant 0
+push constant 0
+push constant 0
+push constant 0
+push constant 0
+push constant 0
+push constant 0
+call Output.create 12
+pop temp 0
+push constant 35
+push constant 0
+push constant 18
+push constant 18
+push constant 63
+push constant 18
+push constant 18
+push constant 63
+push constant 18
+push constant 18
+push constant 0
+push constant 0
+call Output.create 12
+pop temp 0
+push constant 36
+push constant 12
+push constant 30
+push constant 51
+push constant 3
+push constant 30
+push constant 48
+push constant 51
+push constant 30
+push constant 12
+push constant 12
+push constant 0
+call Output.create 12
+pop temp 0
+push constant 37
+push constant 0
+push constant 0
+push constant 35
+push constant 51
+push constant 24
+push constant 12
+push constant 6
+push constant 51
+push constant 49
+push constant 0
+push constant 0
+call Output.create 12
+pop temp 0
+push constant 38
+push constant 12
+push constant 30
+push constant 30
+push constant 12
+push constant 54
+push constant 27
+push constant 27
+push constant 27
+push constant 54
+push constant 0
+push constant 0
+call Output.create 12
+pop temp 0
+push constant 39
+push constant 12
+push constant 12
+push constant 6
+push constant 0
+push constant 0
+push constant 0
+push constant 0
+push constant 0
+push constant 0
+push constant 0
+push constant 0
+call Output.create 12
+pop temp 0
+push constant 40
+push constant 24
+push constant 12
+push constant 6
+push constant 6
+push constant 6
+push constant 6
+push constant 6
+push constant 12
+push constant 24
+push constant 0
+push constant 0
+call Output.create 12
+pop temp 0
+push constant 41
+push constant 6
+push constant 12
+push constant 24
+push constant 24
+push constant 24
+push constant 24
+push constant 24
+push constant 12
+push constant 6
+push constant 0
+push constant 0
+call Output.create 12
+pop temp 0
+push constant 42
+push constant 0
+push constant 0
+push constant 0
+push constant 51
+push constant 30
+push constant 63
+push constant 30
+push constant 51
+push constant 0
+push constant 0
+push constant 0
+call Output.create 12
+pop temp 0
+push constant 43
+push constant 0
+push constant 0
+push constant 0
+push constant 12
+push constant 12
+push constant 63
+push constant 12
+push constant 12
+push constant 0
+push constant 0
+push constant 0
+call Output.create 12
+pop temp 0
+push constant 44
+push constant 0
+push constant 0
+push constant 0
+push constant 0
+push constant 0
+push constant 0
+push constant 0
+push constant 12
+push constant 12
+push constant 6
+push constant 0
+call Output.create 12
+pop temp 0
+push constant 45
+push constant 0
+push constant 0
+push constant 0
+push constant 0
+push constant 0
+push constant 63
+push constant 0
+push constant 0
+push constant 0
+push constant 0
+push constant 0
+call Output.create 12
+pop temp 0
+push constant 46
+push constant 0
+push constant 0
+push constant 0
+push constant 0
+push constant 0
+push constant 0
+push constant 0
+push constant 12
+push constant 12
+push constant 0
+push constant 0
+call Output.create 12
+pop temp 0
+push constant 47
+push constant 0
+push constant 0
+push constant 32
+push constant 48
+push constant 24
+push constant 12
+push constant 6
+push constant 3
+push constant 1
+push constant 0
+push constant 0
+call Output.create 12
+pop temp 0
+push constant 48
+push constant 12
+push constant 30
+push constant 51
+push constant 51
+push constant 51
+push constant 51
+push constant 51
+push constant 30
+push constant 12
+push constant 0
+push constant 0
+call Output.create 12
+pop temp 0
+push constant 49
+push constant 12
+push constant 14
+push constant 15
+push constant 12
+push constant 12
+push constant 12
+push constant 12
+push constant 12
+push constant 63
+push constant 0
+push constant 0
+call Output.create 12
+pop temp 0
+push constant 50
+push constant 30
+push constant 51
+push constant 48
+push constant 24
+push constant 12
+push constant 6
+push constant 3
+push constant 51
+push constant 63
+push constant 0
+push constant 0
+call Output.create 12
+pop temp 0
+push constant 51
+push constant 30
+push constant 51
+push constant 48
+push constant 48
+push constant 28
+push constant 48
+push constant 48
+push constant 51
+push constant 30
+push constant 0
+push constant 0
+call Output.create 12
+pop temp 0
+push constant 52
+push constant 16
+push constant 24
+push constant 28
+push constant 26
+push constant 25
+push constant 63
+push constant 24
+push constant 24
+push constant 60
+push constant 0
+push constant 0
+call Output.create 12
+pop temp 0
+push constant 53
+push constant 63
+push constant 3
+push constant 3
+push constant 31
+push constant 48
+push constant 48
+push constant 48
+push constant 51
+push constant 30
+push constant 0
+push constant 0
+call Output.create 12
+pop temp 0
+push constant 54
+push constant 28
+push constant 6
+push constant 3
+push constant 3
+push constant 31
+push constant 51
+push constant 51
+push constant 51
+push constant 30
+push constant 0
+push constant 0
+call Output.create 12
+pop temp 0
+push constant 55
+push constant 63
+push constant 49
+push constant 48
+push constant 48
+push constant 24
+push constant 12
+push constant 12
+push constant 12
+push constant 12
+push constant 0
+push constant 0
+call Output.create 12
+pop temp 0
+push constant 56
+push constant 30
+push constant 51
+push constant 51
+push constant 51
+push constant 30
+push constant 51
+push constant 51
+push constant 51
+push constant 30
+push constant 0
+push constant 0
+call Output.create 12
+pop temp 0
+push constant 57
+push constant 30
+push constant 51
+push constant 51
+push constant 51
+push constant 62
+push constant 48
+push constant 48
+push constant 24
+push constant 14
+push constant 0
+push constant 0
+call Output.create 12
+pop temp 0
+push constant 58
+push constant 0
+push constant 0
+push constant 12
+push constant 12
+push constant 0
+push constant 0
+push constant 12
+push constant 12
+push constant 0
+push constant 0
+push constant 0
+call Output.create 12
+pop temp 0
+push constant 59
+push constant 0
+push constant 0
+push constant 12
+push constant 12
+push constant 0
+push constant 0
+push constant 12
+push constant 12
+push constant 6
+push constant 0
+push constant 0
+call Output.create 12
+pop temp 0
+push constant 60
+push constant 0
+push constant 0
+push constant 24
+push constant 12
+push constant 6
+push constant 3
+push constant 6
+push constant 12
+push constant 24
+push constant 0
+push constant 0
+call Output.create 12
+pop temp 0
+push constant 61
+push constant 0
+push constant 0
+push constant 0
+push constant 63
+push constant 0
+push constant 0
+push constant 63
+push constant 0
+push constant 0
+push constant 0
+push constant 0
+call Output.create 12
+pop temp 0
+push constant 62
+push constant 0
+push constant 0
+push constant 3
+push constant 6
+push constant 12
+push constant 24
+push constant 12
+push constant 6
+push constant 3
+push constant 0
+push constant 0
+call Output.create 12
+pop temp 0
+push constant 64
+push constant 30
+push constant 51
+push constant 51
+push constant 59
+push constant 59
+push constant 59
+push constant 27
+push constant 3
+push constant 30
+push constant 0
+push constant 0
+call Output.create 12
+pop temp 0
+push constant 63
+push constant 30
+push constant 51
+push constant 51
+push constant 24
+push constant 12
+push constant 12
+push constant 0
+push constant 12
+push constant 12
+push constant 0
+push constant 0
+call Output.create 12
+pop temp 0
+push constant 65
+push constant 12
+push constant 30
+push constant 51
+push constant 51
+push constant 63
+push constant 51
+push constant 51
+push constant 51
+push constant 51
+push constant 0
+push constant 0
+call Output.create 12
+pop temp 0
+push constant 66
+push constant 31
+push constant 51
+push constant 51
+push constant 51
+push constant 31
+push constant 51
+push constant 51
+push constant 51
+push constant 31
+push constant 0
+push constant 0
+call Output.create 12
+pop temp 0
+push constant 67
+push constant 28
+push constant 54
+push constant 35
+push constant 3
+push constant 3
+push constant 3
+push constant 35
+push constant 54
+push constant 28
+push constant 0
+push constant 0
+call Output.create 12
+pop temp 0
+push constant 68
+push constant 15
+push constant 27
+push constant 51
+push constant 51
+push constant 51
+push constant 51
+push constant 51
+push constant 27
+push constant 15
+push constant 0
+push constant 0
+call Output.create 12
+pop temp 0
+push constant 69
+push constant 63
+push constant 51
+push constant 35
+push constant 11
+push constant 15
+push constant 11
+push constant 35
+push constant 51
+push constant 63
+push constant 0
+push constant 0
+call Output.create 12
+pop temp 0
+push constant 70
+push constant 63
+push constant 51
+push constant 35
+push constant 11
+push constant 15
+push constant 11
+push constant 3
+push constant 3
+push constant 3
+push constant 0
+push constant 0
+call Output.create 12
+pop temp 0
+push constant 71
+push constant 28
+push constant 54
+push constant 35
+push constant 3
+push constant 59
+push constant 51
+push constant 51
+push constant 54
+push constant 44
+push constant 0
+push constant 0
+call Output.create 12
+pop temp 0
+push constant 72
+push constant 51
+push constant 51
+push constant 51
+push constant 51
+push constant 63
+push constant 51
+push constant 51
+push constant 51
+push constant 51
+push constant 0
+push constant 0
+call Output.create 12
+pop temp 0
+push constant 73
+push constant 30
+push constant 12
+push constant 12
+push constant 12
+push constant 12
+push constant 12
+push constant 12
+push constant 12
+push constant 30
+push constant 0
+push constant 0
+call Output.create 12
+pop temp 0
+push constant 74
+push constant 60
+push constant 24
+push constant 24
+push constant 24
+push constant 24
+push constant 24
+push constant 27
+push constant 27
+push constant 14
+push constant 0
+push constant 0
+call Output.create 12
+pop temp 0
+push constant 75
+push constant 51
+push constant 51
+push constant 51
+push constant 27
+push constant 15
+push constant 27
+push constant 51
+push constant 51
+push constant 51
+push constant 0
+push constant 0
+call Output.create 12
+pop temp 0
+push constant 76
+push constant 3
+push constant 3
+push constant 3
+push constant 3
+push constant 3
+push constant 3
+push constant 35
+push constant 51
+push constant 63
+push constant 0
+push constant 0
+call Output.create 12
+pop temp 0
+push constant 77
+push constant 33
+push constant 51
+push constant 63
+push constant 63
+push constant 51
+push constant 51
+push constant 51
+push constant 51
+push constant 51
+push constant 0
+push constant 0
+call Output.create 12
+pop temp 0
+push constant 78
+push constant 51
+push constant 51
+push constant 55
+push constant 55
+push constant 63
+push constant 59
+push constant 59
+push constant 51
+push constant 51
+push constant 0
+push constant 0
+call Output.create 12
+pop temp 0
+push constant 79
+push constant 30
+push constant 51
+push constant 51
+push constant 51
+push constant 51
+push constant 51
+push constant 51
+push constant 51
+push constant 30
+push constant 0
+push constant 0
+call Output.create 12
+pop temp 0
+push constant 80
+push constant 31
+push constant 51
+push constant 51
+push constant 51
+push constant 31
+push constant 3
+push constant 3
+push constant 3
+push constant 3
+push constant 0
+push constant 0
+call Output.create 12
+pop temp 0
+push constant 81
+push constant 30
+push constant 51
+push constant 51
+push constant 51
+push constant 51
+push constant 51
+push constant 63
+push constant 59
+push constant 30
+push constant 48
+push constant 0
+call Output.create 12
+pop temp 0
+push constant 82
+push constant 31
+push constant 51
+push constant 51
+push constant 51
+push constant 31
+push constant 27
+push constant 51
+push constant 51
+push constant 51
+push constant 0
+push constant 0
+call Output.create 12
+pop temp 0
+push constant 83
+push constant 30
+push constant 51
+push constant 51
+push constant 6
+push constant 28
+push constant 48
+push constant 51
+push constant 51
+push constant 30
+push constant 0
+push constant 0
+call Output.create 12
+pop temp 0
+push constant 84
+push constant 63
+push constant 63
+push constant 45
+push constant 12
+push constant 12
+push constant 12
+push constant 12
+push constant 12
+push constant 30
+push constant 0
+push constant 0
+call Output.create 12
+pop temp 0
+push constant 85
+push constant 51
+push constant 51
+push constant 51
+push constant 51
+push constant 51
+push constant 51
+push constant 51
+push constant 51
+push constant 30
+push constant 0
+push constant 0
+call Output.create 12
+pop temp 0
+push constant 86
+push constant 51
+push constant 51
+push constant 51
+push constant 51
+push constant 51
+push constant 30
+push constant 30
+push constant 12
+push constant 12
+push constant 0
+push constant 0
+call Output.create 12
+pop temp 0
+push constant 87
+push constant 51
+push constant 51
+push constant 51
+push constant 51
+push constant 51
+push constant 63
+push constant 63
+push constant 63
+push constant 18
+push constant 0
+push constant 0
+call Output.create 12
+pop temp 0
+push constant 88
+push constant 51
+push constant 51
+push constant 30
+push constant 30
+push constant 12
+push constant 30
+push constant 30
+push constant 51
+push constant 51
+push constant 0
+push constant 0
+call Output.create 12
+pop temp 0
+push constant 89
+push constant 51
+push constant 51
+push constant 51
+push constant 51
+push constant 30
+push constant 12
+push constant 12
+push constant 12
+push constant 30
+push constant 0
+push constant 0
+call Output.create 12
+pop temp 0
+push constant 90
+push constant 63
+push constant 51
+push constant 49
+push constant 24
+push constant 12
+push constant 6
+push constant 35
+push constant 51
+push constant 63
+push constant 0
+push constant 0
+call Output.create 12
+pop temp 0
+push constant 91
+push constant 30
+push constant 6
+push constant 6
+push constant 6
+push constant 6
+push constant 6
+push constant 6
+push constant 6
+push constant 30
+push constant 0
+push constant 0
+call Output.create 12
+pop temp 0
+push constant 92
+push constant 0
+push constant 0
+push constant 1
+push constant 3
+push constant 6
+push constant 12
+push constant 24
+push constant 48
+push constant 32
+push constant 0
+push constant 0
+call Output.create 12
+pop temp 0
+push constant 93
+push constant 30
+push constant 24
+push constant 24
+push constant 24
+push constant 24
+push constant 24
+push constant 24
+push constant 24
+push constant 30
+push constant 0
+push constant 0
+call Output.create 12
+pop temp 0
+push constant 94
+push constant 8
+push constant 28
+push constant 54
+push constant 0
+push constant 0
+push constant 0
+push constant 0
+push constant 0
+push constant 0
+push constant 0
+push constant 0
+call Output.create 12
+pop temp 0
+push constant 95
+push constant 0
+push constant 0
+push constant 0
+push constant 0
+push constant 0
+push constant 0
+push constant 0
+push constant 0
+push constant 0
+push constant 63
+push constant 0
+call Output.create 12
+pop temp 0
+push constant 96
+push constant 6
+push constant 12
+push constant 24
+push constant 0
+push constant 0
+push constant 0
+push constant 0
+push constant 0
+push constant 0
+push constant 0
+push constant 0
+call Output.create 12
+pop temp 0
+push constant 97
+push constant 0
+push constant 0
+push constant 0
+push constant 14
+push constant 24
+push constant 30
+push constant 27
+push constant 27
+push constant 54
+push constant 0
+push constant 0
+call Output.create 12
+pop temp 0
+push constant 98
+push constant 3
+push constant 3
+push constant 3
+push constant 15
+push constant 27
+push constant 51
+push constant 51
+push constant 51
+push constant 30
+push constant 0
+push constant 0
+call Output.create 12
+pop temp 0
+push constant 99
+push constant 0
+push constant 0
+push constant 0
+push constant 30
+push constant 51
+push constant 3
+push constant 3
+push constant 51
+push constant 30
+push constant 0
+push constant 0
+call Output.create 12
+pop temp 0
+push constant 100
+push constant 48
+push constant 48
+push constant 48
+push constant 60
+push constant 54
+push constant 51
+push constant 51
+push constant 51
+push constant 30
+push constant 0
+push constant 0
+call Output.create 12
+pop temp 0
+push constant 101
+push constant 0
+push constant 0
+push constant 0
+push constant 30
+push constant 51
+push constant 63
+push constant 3
+push constant 51
+push constant 30
+push constant 0
+push constant 0
+call Output.create 12
+pop temp 0
+push constant 102
+push constant 28
+push constant 54
+push constant 38
+push constant 6
+push constant 15
+push constant 6
+push constant 6
+push constant 6
+push constant 15
+push constant 0
+push constant 0
+call Output.create 12
+pop temp 0
+push constant 103
+push constant 0
+push constant 0
+push constant 30
+push constant 51
+push constant 51
+push constant 51
+push constant 62
+push constant 48
+push constant 51
+push constant 30
+push constant 0
+call Output.create 12
+pop temp 0
+push constant 104
+push constant 3
+push constant 3
+push constant 3
+push constant 27
+push constant 55
+push constant 51
+push constant 51
+push constant 51
+push constant 51
+push constant 0
+push constant 0
+call Output.create 12
+pop temp 0
+push constant 105
+push constant 12
+push constant 12
+push constant 0
+push constant 14
+push constant 12
+push constant 12
+push constant 12
+push constant 12
+push constant 30
+push constant 0
+push constant 0
+call Output.create 12
+pop temp 0
+push constant 106
+push constant 48
+push constant 48
+push constant 0
+push constant 56
+push constant 48
+push constant 48
+push constant 48
+push constant 48
+push constant 51
+push constant 30
+push constant 0
+call Output.create 12
+pop temp 0
+push constant 107
+push constant 3
+push constant 3
+push constant 3
+push constant 51
+push constant 27
+push constant 15
+push constant 15
+push constant 27
+push constant 51
+push constant 0
+push constant 0
+call Output.create 12
+pop temp 0
+push constant 108
+push constant 14
+push constant 12
+push constant 12
+push constant 12
+push constant 12
+push constant 12
+push constant 12
+push constant 12
+push constant 30
+push constant 0
+push constant 0
+call Output.create 12
+pop temp 0
+push constant 109
+push constant 0
+push constant 0
+push constant 0
+push constant 29
+push constant 63
+push constant 43
+push constant 43
+push constant 43
+push constant 43
+push constant 0
+push constant 0
+call Output.create 12
+pop temp 0
+push constant 110
+push constant 0
+push constant 0
+push constant 0
+push constant 29
+push constant 51
+push constant 51
+push constant 51
+push constant 51
+push constant 51
+push constant 0
+push constant 0
+call Output.create 12
+pop temp 0
+push constant 111
+push constant 0
+push constant 0
+push constant 0
+push constant 30
+push constant 51
+push constant 51
+push constant 51
+push constant 51
+push constant 30
+push constant 0
+push constant 0
+call Output.create 12
+pop temp 0
+push constant 112
+push constant 0
+push constant 0
+push constant 0
+push constant 30
+push constant 51
+push constant 51
+push constant 51
+push constant 31
+push constant 3
+push constant 3
+push constant 0
+call Output.create 12
+pop temp 0
+push constant 113
+push constant 0
+push constant 0
+push constant 0
+push constant 30
+push constant 51
+push constant 51
+push constant 51
+push constant 62
+push constant 48
+push constant 48
+push constant 0
+call Output.create 12
+pop temp 0
+push constant 114
+push constant 0
+push constant 0
+push constant 0
+push constant 29
+push constant 55
+push constant 51
+push constant 3
+push constant 3
+push constant 7
+push constant 0
+push constant 0
+call Output.create 12
+pop temp 0
+push constant 115
+push constant 0
+push constant 0
+push constant 0
+push constant 30
+push constant 51
+push constant 6
+push constant 24
+push constant 51
+push constant 30
+push constant 0
+push constant 0
+call Output.create 12
+pop temp 0
+push constant 116
+push constant 4
+push constant 6
+push constant 6
+push constant 15
+push constant 6
+push constant 6
+push constant 6
+push constant 54
+push constant 28
+push constant 0
+push constant 0
+call Output.create 12
+pop temp 0
+push constant 117
+push constant 0
+push constant 0
+push constant 0
+push constant 27
+push constant 27
+push constant 27
+push constant 27
+push constant 27
+push constant 54
+push constant 0
+push constant 0
+call Output.create 12
+pop temp 0
+push constant 118
+push constant 0
+push constant 0
+push constant 0
+push constant 51
+push constant 51
+push constant 51
+push constant 51
+push constant 30
+push constant 12
+push constant 0
+push constant 0
+call Output.create 12
+pop temp 0
+push constant 119
+push constant 0
+push constant 0
+push constant 0
+push constant 51
+push constant 51
+push constant 51
+push constant 63
+push constant 63
+push constant 18
+push constant 0
+push constant 0
+call Output.create 12
+pop temp 0
+push constant 120
+push constant 0
+push constant 0
+push constant 0
+push constant 51
+push constant 30
+push constant 12
+push constant 12
+push constant 30
+push constant 51
+push constant 0
+push constant 0
+call Output.create 12
+pop temp 0
+push constant 121
+push constant 0
+push constant 0
+push constant 0
+push constant 51
+push constant 51
+push constant 51
+push constant 62
+push constant 48
+push constant 24
+push constant 15
+push constant 0
+call Output.create 12
+pop temp 0
+push constant 122
+push constant 0
+push constant 0
+push constant 0
+push constant 63
+push constant 27
+push constant 12
+push constant 6
+push constant 51
+push constant 63
+push constant 0
+push constant 0
+call Output.create 12
+pop temp 0
+push constant 123
+push constant 56
+push constant 12
+push constant 12
+push constant 12
+push constant 7
+push constant 12
+push constant 12
+push constant 12
+push constant 56
+push constant 0
+push constant 0
+call Output.create 12
+pop temp 0
+push constant 124
+push constant 12
+push constant 12
+push constant 12
+push constant 12
+push constant 12
+push constant 12
+push constant 12
+push constant 12
+push constant 12
+push constant 0
+push constant 0
+call Output.create 12
+pop temp 0
+push constant 125
+push constant 7
+push constant 12
+push constant 12
+push constant 12
+push constant 56
+push constant 12
+push constant 12
+push constant 12
+push constant 7
+push constant 0
+push constant 0
+call Output.create 12
+pop temp 0
+push constant 126
+push constant 38
+push constant 45
+push constant 25
+push constant 0
+push constant 0
+push constant 0
+push constant 0
+push constant 0
+push constant 0
+push constant 0
+push constant 0
+call Output.create 12
+pop temp 0
+push constant 0
+return
+function Output.create 1
+push constant 11
+call Array.new 1
+pop local 0
+push argument 0
+push static 5
+add
+push local 0
+pop temp 0
+pop pointer 1
+push temp 0
+pop that 0
+push constant 0
+push local 0
+add
+push argument 1
+pop temp 0
+pop pointer 1
+push temp 0
+pop that 0
+push constant 1
+push local 0
+add
+push argument 2
+pop temp 0
+pop pointer 1
+push temp 0
+pop that 0
+push constant 2
+push local 0
+add
+push argument 3
+pop temp 0
+pop pointer 1
+push temp 0
+pop that 0
+push constant 3
+push local 0
+add
+push argument 4
+pop temp 0
+pop pointer 1
+push temp 0
+pop that 0
+push constant 4
+push local 0
+add
+push argument 5
+pop temp 0
+pop pointer 1
+push temp 0
+pop that 0
+push constant 5
+push local 0
+add
+push argument 6
+pop temp 0
+pop pointer 1
+push temp 0
+pop that 0
+push constant 6
+push local 0
+add
+push argument 7
+pop temp 0
+pop pointer 1
+push temp 0
+pop that 0
+push constant 7
+push local 0
+add
+push argument 8
+pop temp 0
+pop pointer 1
+push temp 0
+pop that 0
+push constant 8
+push local 0
+add
+push argument 9
+pop temp 0
+pop pointer 1
+push temp 0
+pop that 0
+push constant 9
+push local 0
+add
+push argument 10
+pop temp 0
+pop pointer 1
+push temp 0
+pop that 0
+push constant 10
+push local 0
+add
+push argument 11
+pop temp 0
+pop pointer 1
+push temp 0
+pop that 0
+push constant 0
+return
+function Output.createShiftedMap 4
+push constant 127
+call Array.new 1
+pop static 6
+push constant 0
+pop local 2
+label WHILE_EXP0
+push local 2
+push constant 127
+lt
+not
+if-goto WHILE_END0
+push local 2
+push static 5
+add
+pop pointer 1
+push that 0
+pop local 0
+push constant 11
+call Array.new 1
+pop local 1
+push local 2
+push static 6
+add
+push local 1
+pop temp 0
+pop pointer 1
+push temp 0
+pop that 0
+push constant 0
+pop local 3
+label WHILE_EXP1
+push local 3
+push constant 11
+lt
+not
+if-goto WHILE_END1
+push local 3
+push local 1
+add
+push local 3
+push local 0
+add
+pop pointer 1
+push that 0
+push constant 256
+call Math.multiply 2
+pop temp 0
+pop pointer 1
+push temp 0
+pop that 0
+push local 3
+push constant 1
+add
+pop local 3
+goto WHILE_EXP1
+label WHILE_END1
+push local 2
+push constant 0
+eq
+if-goto IF_TRUE0
+goto IF_FALSE0
+label IF_TRUE0
+push constant 32
+pop local 2
+goto IF_END0
+label IF_FALSE0
+push local 2
+push constant 1
+add
+pop local 2
+label IF_END0
+goto WHILE_EXP0
+label WHILE_END0
+push constant 0
+return
+function Output.getMap 1
+push argument 0
+push constant 32
+lt
+push argument 0
+push constant 126
+gt
+or
+if-goto IF_TRUE0
+goto IF_FALSE0
+label IF_TRUE0
+push constant 0
+pop argument 0
+label IF_FALSE0
+push static 2
+if-goto IF_TRUE1
+goto IF_FALSE1
+label IF_TRUE1
+push argument 0
+push static 5
+add
+pop pointer 1
+push that 0
+pop local 0
+goto IF_END1
+label IF_FALSE1
+push argument 0
+push static 6
+add
+pop pointer 1
+push that 0
+pop local 0
+label IF_END1
+push local 0
+return
+function Output.drawChar 4
+push argument 0
+call Output.getMap 1
+pop local 2
+push static 1
+pop local 0
+label WHILE_EXP0
+push local 1
+push constant 11
+lt
+not
+if-goto WHILE_END0
+push static 2
+if-goto IF_TRUE0
+goto IF_FALSE0
+label IF_TRUE0
+push local 0
+push static 4
+add
+pop pointer 1
+push that 0
+push constant 256
+neg
+and
+pop local 3
+goto IF_END0
+label IF_FALSE0
+push local 0
+push static 4
+add
+pop pointer 1
+push that 0
+push constant 255
+and
+pop local 3
+label IF_END0
+push local 0
+push static 4
+add
+push local 1
+push local 2
+add
+pop pointer 1
+push that 0
+push local 3
+or
+pop temp 0
+pop pointer 1
+push temp 0
+pop that 0
+push local 0
+push constant 32
+add
+pop local 0
+push local 1
+push constant 1
+add
+pop local 1
+goto WHILE_EXP0
+label WHILE_END0
+push constant 0
+return
+function Output.moveCursor 0
+push argument 0
+push constant 0
+lt
+push argument 0
+push constant 22
+gt
+or
+push argument 1
+push constant 0
+lt
+or
+push argument 1
+push constant 63
+gt
+or
+if-goto IF_TRUE0
+goto IF_FALSE0
+label IF_TRUE0
+push constant 20
+call Sys.error 1
+pop temp 0
+label IF_FALSE0
+push argument 1
+push constant 2
+call Math.divide 2
+pop static 0
+push constant 32
+push argument 0
+push constant 352
+call Math.multiply 2
+add
+push static 0
+add
+pop static 1
+push argument 1
+push static 0
+push constant 2
+call Math.multiply 2
+eq
+pop static 2
+push constant 32
+call Output.drawChar 1
+pop temp 0
+push constant 0
+return
+function Output.printChar 0
+push argument 0
+call String.newLine 0
+eq
+if-goto IF_TRUE0
+goto IF_FALSE0
+label IF_TRUE0
+call Output.println 0
+pop temp 0
+goto IF_END0
+label IF_FALSE0
+push argument 0
+call String.backSpace 0
+eq
+if-goto IF_TRUE1
+goto IF_FALSE1
+label IF_TRUE1
+call Output.backSpace 0
+pop temp 0
+goto IF_END1
+label IF_FALSE1
+push argument 0
+call Output.drawChar 1
+pop temp 0
+push static 2
+not
+if-goto IF_TRUE2
+goto IF_FALSE2
+label IF_TRUE2
+push static 0
+push constant 1
+add
+pop static 0
+push static 1
+push constant 1
+add
+pop static 1
+label IF_FALSE2
+push static 0
+push constant 32
+eq
+if-goto IF_TRUE3
+goto IF_FALSE3
+label IF_TRUE3
+call Output.println 0
+pop temp 0
+goto IF_END3
+label IF_FALSE3
+push static 2
+not
+pop static 2
+label IF_END3
+label IF_END1
+label IF_END0
+push constant 0
+return
+function Output.printString 2
+push argument 0
+call String.length 1
+pop local 1
+label WHILE_EXP0
+push local 0
+push local 1
+lt
+not
+if-goto WHILE_END0
+push argument 0
+push local 0
+call String.charAt 2
+call Output.printChar 1
+pop temp 0
+push local 0
+push constant 1
+add
+pop local 0
+goto WHILE_EXP0
+label WHILE_END0
+push constant 0
+return
+function Output.printInt 0
+push static 3
+push argument 0
+call String.setInt 2
+pop temp 0
+push static 3
+call Output.printString 1
+pop temp 0
+push constant 0
+return
+function Output.println 0
+push static 1
+push constant 352
+add
+push static 0
+sub
+pop static 1
+push constant 0
+pop static 0
+push constant 0
+not
+pop static 2
+push static 1
+push constant 8128
+eq
+if-goto IF_TRUE0
+goto IF_FALSE0
+label IF_TRUE0
+push constant 32
+pop static 1
+label IF_FALSE0
+push constant 0
+return
+function Output.backSpace 0
+push static 2
+if-goto IF_TRUE0
+goto IF_FALSE0
+label IF_TRUE0
+push static 0
+push constant 0
+gt
+if-goto IF_TRUE1
+goto IF_FALSE1
+label IF_TRUE1
+push static 0
+push constant 1
+sub
+pop static 0
+push static 1
+push constant 1
+sub
+pop static 1
+goto IF_END1
+label IF_FALSE1
+push constant 31
+pop static 0
+push static 1
+push constant 32
+eq
+if-goto IF_TRUE2
+goto IF_FALSE2
+label IF_TRUE2
+push constant 8128
+pop static 1
+label IF_FALSE2
+push static 1
+push constant 321
+sub
+pop static 1
+label IF_END1
+push constant 0
+pop static 2
+goto IF_END0
+label IF_FALSE0
+push constant 0
+not
+pop static 2
+label IF_END0
+push constant 32
+call Output.drawChar 1
+pop temp 0
+push constant 0
+return
diff --git a/tools/OS/Screen.vm b/tools/OS/Screen.vm
new file mode 100644
index 0000000..fccafb5
--- /dev/null
+++ b/tools/OS/Screen.vm
@@ -0,0 +1,806 @@
+function Screen.init 1
+push constant 16384
+pop static 1
+push constant 0
+not
+pop static 2
+push constant 17
+call Array.new 1
+pop static 0
+push constant 0
+push static 0
+add
+push constant 1
+pop temp 0
+pop pointer 1
+push temp 0
+pop that 0
+label WHILE_EXP0
+push local 0
+push constant 16
+lt
+not
+if-goto WHILE_END0
+push local 0
+push constant 1
+add
+pop local 0
+push local 0
+push static 0
+add
+push local 0
+push constant 1
+sub
+push static 0
+add
+pop pointer 1
+push that 0
+push local 0
+push constant 1
+sub
+push static 0
+add
+pop pointer 1
+push that 0
+add
+pop temp 0
+pop pointer 1
+push temp 0
+pop that 0
+goto WHILE_EXP0
+label WHILE_END0
+push constant 0
+return
+function Screen.clearScreen 1
+label WHILE_EXP0
+push local 0
+push constant 8192
+lt
+not
+if-goto WHILE_END0
+push local 0
+push static 1
+add
+push constant 0
+pop temp 0
+pop pointer 1
+push temp 0
+pop that 0
+push local 0
+push constant 1
+add
+pop local 0
+goto WHILE_EXP0
+label WHILE_END0
+push constant 0
+return
+function Screen.updateLocation 0
+push static 2
+if-goto IF_TRUE0
+goto IF_FALSE0
+label IF_TRUE0
+push argument 0
+push static 1
+add
+push argument 0
+push static 1
+add
+pop pointer 1
+push that 0
+push argument 1
+or
+pop temp 0
+pop pointer 1
+push temp 0
+pop that 0
+goto IF_END0
+label IF_FALSE0
+push argument 0
+push static 1
+add
+push argument 0
+push static 1
+add
+pop pointer 1
+push that 0
+push argument 1
+not
+and
+pop temp 0
+pop pointer 1
+push temp 0
+pop that 0
+label IF_END0
+push constant 0
+return
+function Screen.setColor 0
+push argument 0
+pop static 2
+push constant 0
+return
+function Screen.drawPixel 3
+push argument 0
+push constant 0
+lt
+push argument 0
+push constant 511
+gt
+or
+push argument 1
+push constant 0
+lt
+or
+push argument 1
+push constant 255
+gt
+or
+if-goto IF_TRUE0
+goto IF_FALSE0
+label IF_TRUE0
+push constant 7
+call Sys.error 1
+pop temp 0
+label IF_FALSE0
+push argument 0
+push constant 16
+call Math.divide 2
+pop local 0
+push argument 0
+push local 0
+push constant 16
+call Math.multiply 2
+sub
+pop local 1
+push argument 1
+push constant 32
+call Math.multiply 2
+push local 0
+add
+pop local 2
+push local 2
+push local 1
+push static 0
+add
+pop pointer 1
+push that 0
+call Screen.updateLocation 2
+pop temp 0
+push constant 0
+return
+function Screen.drawConditional 0
+push argument 2
+if-goto IF_TRUE0
+goto IF_FALSE0
+label IF_TRUE0
+push argument 1
+push argument 0
+call Screen.drawPixel 2
+pop temp 0
+goto IF_END0
+label IF_FALSE0
+push argument 0
+push argument 1
+call Screen.drawPixel 2
+pop temp 0
+label IF_END0
+push constant 0
+return
+function Screen.drawLine 11
+push argument 0
+push constant 0
+lt
+push argument 2
+push constant 511
+gt
+or
+push argument 1
+push constant 0
+lt
+or
+push argument 3
+push constant 255
+gt
+or
+if-goto IF_TRUE0
+goto IF_FALSE0
+label IF_TRUE0
+push constant 8
+call Sys.error 1
+pop temp 0
+label IF_FALSE0
+push argument 2
+push argument 0
+sub
+call Math.abs 1
+pop local 3
+push argument 3
+push argument 1
+sub
+call Math.abs 1
+pop local 2
+push local 3
+push local 2
+lt
+pop local 6
+push local 6
+push argument 3
+push argument 1
+lt
+and
+push local 6
+not
+push argument 2
+push argument 0
+lt
+and
+or
+if-goto IF_TRUE1
+goto IF_FALSE1
+label IF_TRUE1
+push argument 0
+pop local 4
+push argument 2
+pop argument 0
+push local 4
+pop argument 2
+push argument 1
+pop local 4
+push argument 3
+pop argument 1
+push local 4
+pop argument 3
+label IF_FALSE1
+push local 6
+if-goto IF_TRUE2
+goto IF_FALSE2
+label IF_TRUE2
+push local 3
+pop local 4
+push local 2
+pop local 3
+push local 4
+pop local 2
+push argument 1
+pop local 1
+push argument 0
+pop local 0
+push argument 3
+pop local 8
+push argument 0
+push argument 2
+gt
+pop local 7
+goto IF_END2
+label IF_FALSE2
+push argument 0
+pop local 1
+push argument 1
+pop local 0
+push argument 2
+pop local 8
+push argument 1
+push argument 3
+gt
+pop local 7
+label IF_END2
+push constant 2
+push local 2
+call Math.multiply 2
+push local 3
+sub
+pop local 5
+push constant 2
+push local 2
+call Math.multiply 2
+pop local 9
+push constant 2
+push local 2
+push local 3
+sub
+call Math.multiply 2
+pop local 10
+push local 1
+push local 0
+push local 6
+call Screen.drawConditional 3
+pop temp 0
+label WHILE_EXP0
+push local 1
+push local 8
+lt
+not
+if-goto WHILE_END0
+push local 5
+push constant 0
+lt
+if-goto IF_TRUE3
+goto IF_FALSE3
+label IF_TRUE3
+push local 5
+push local 9
+add
+pop local 5
+goto IF_END3
+label IF_FALSE3
+push local 5
+push local 10
+add
+pop local 5
+push local 7
+if-goto IF_TRUE4
+goto IF_FALSE4
+label IF_TRUE4
+push local 0
+push constant 1
+sub
+pop local 0
+goto IF_END4
+label IF_FALSE4
+push local 0
+push constant 1
+add
+pop local 0
+label IF_END4
+label IF_END3
+push local 1
+push constant 1
+add
+pop local 1
+push local 1
+push local 0
+push local 6
+call Screen.drawConditional 3
+pop temp 0
+goto WHILE_EXP0
+label WHILE_END0
+push constant 0
+return
+function Screen.drawRectangle 9
+push argument 0
+push argument 2
+gt
+push argument 1
+push argument 3
+gt
+or
+push argument 0
+push constant 0
+lt
+or
+push argument 2
+push constant 511
+gt
+or
+push argument 1
+push constant 0
+lt
+or
+push argument 3
+push constant 255
+gt
+or
+if-goto IF_TRUE0
+goto IF_FALSE0
+label IF_TRUE0
+push constant 9
+call Sys.error 1
+pop temp 0
+label IF_FALSE0
+push argument 0
+push constant 16
+call Math.divide 2
+pop local 3
+push argument 0
+push local 3
+push constant 16
+call Math.multiply 2
+sub
+pop local 7
+push argument 2
+push constant 16
+call Math.divide 2
+pop local 4
+push argument 2
+push local 4
+push constant 16
+call Math.multiply 2
+sub
+pop local 8
+push local 7
+push static 0
+add
+pop pointer 1
+push that 0
+push constant 1
+sub
+not
+pop local 6
+push local 8
+push constant 1
+add
+push static 0
+add
+pop pointer 1
+push that 0
+push constant 1
+sub
+pop local 5
+push argument 1
+push constant 32
+call Math.multiply 2
+push local 3
+add
+pop local 0
+push local 4
+push local 3
+sub
+pop local 2
+label WHILE_EXP0
+push argument 1
+push argument 3
+gt
+not
+not
+if-goto WHILE_END0
+push local 0
+push local 2
+add
+pop local 1
+push local 2
+push constant 0
+eq
+if-goto IF_TRUE1
+goto IF_FALSE1
+label IF_TRUE1
+push local 0
+push local 5
+push local 6
+and
+call Screen.updateLocation 2
+pop temp 0
+goto IF_END1
+label IF_FALSE1
+push local 0
+push local 6
+call Screen.updateLocation 2
+pop temp 0
+push local 0
+push constant 1
+add
+pop local 0
+label WHILE_EXP1
+push local 0
+push local 1
+lt
+not
+if-goto WHILE_END1
+push local 0
+push constant 1
+neg
+call Screen.updateLocation 2
+pop temp 0
+push local 0
+push constant 1
+add
+pop local 0
+goto WHILE_EXP1
+label WHILE_END1
+push local 1
+push local 5
+call Screen.updateLocation 2
+pop temp 0
+label IF_END1
+push argument 1
+push constant 1
+add
+pop argument 1
+push local 1
+push constant 32
+add
+push local 2
+sub
+pop local 0
+goto WHILE_EXP0
+label WHILE_END0
+push constant 0
+return
+function Screen.drawHorizontal 11
+push argument 1
+push argument 2
+call Math.min 2
+pop local 7
+push argument 1
+push argument 2
+call Math.max 2
+pop local 8
+push argument 0
+push constant 1
+neg
+gt
+push argument 0
+push constant 256
+lt
+and
+push local 7
+push constant 512
+lt
+and
+push local 8
+push constant 1
+neg
+gt
+and
+if-goto IF_TRUE0
+goto IF_FALSE0
+label IF_TRUE0
+push local 7
+push constant 0
+call Math.max 2
+pop local 7
+push local 8
+push constant 511
+call Math.min 2
+pop local 8
+push local 7
+push constant 16
+call Math.divide 2
+pop local 1
+push local 7
+push local 1
+push constant 16
+call Math.multiply 2
+sub
+pop local 9
+push local 8
+push constant 16
+call Math.divide 2
+pop local 2
+push local 8
+push local 2
+push constant 16
+call Math.multiply 2
+sub
+pop local 10
+push local 9
+push static 0
+add
+pop pointer 1
+push that 0
+push constant 1
+sub
+not
+pop local 5
+push local 10
+push constant 1
+add
+push static 0
+add
+pop pointer 1
+push that 0
+push constant 1
+sub
+pop local 4
+push argument 0
+push constant 32
+call Math.multiply 2
+push local 1
+add
+pop local 0
+push local 2
+push local 1
+sub
+pop local 6
+push local 0
+push local 6
+add
+pop local 3
+push local 6
+push constant 0
+eq
+if-goto IF_TRUE1
+goto IF_FALSE1
+label IF_TRUE1
+push local 0
+push local 4
+push local 5
+and
+call Screen.updateLocation 2
+pop temp 0
+goto IF_END1
+label IF_FALSE1
+push local 0
+push local 5
+call Screen.updateLocation 2
+pop temp 0
+push local 0
+push constant 1
+add
+pop local 0
+label WHILE_EXP0
+push local 0
+push local 3
+lt
+not
+if-goto WHILE_END0
+push local 0
+push constant 1
+neg
+call Screen.updateLocation 2
+pop temp 0
+push local 0
+push constant 1
+add
+pop local 0
+goto WHILE_EXP0
+label WHILE_END0
+push local 3
+push local 4
+call Screen.updateLocation 2
+pop temp 0
+label IF_END1
+label IF_FALSE0
+push constant 0
+return
+function Screen.drawSymetric 0
+push argument 1
+push argument 3
+sub
+push argument 0
+push argument 2
+add
+push argument 0
+push argument 2
+sub
+call Screen.drawHorizontal 3
+pop temp 0
+push argument 1
+push argument 3
+add
+push argument 0
+push argument 2
+add
+push argument 0
+push argument 2
+sub
+call Screen.drawHorizontal 3
+pop temp 0
+push argument 1
+push argument 2
+sub
+push argument 0
+push argument 3
+sub
+push argument 0
+push argument 3
+add
+call Screen.drawHorizontal 3
+pop temp 0
+push argument 1
+push argument 2
+add
+push argument 0
+push argument 3
+sub
+push argument 0
+push argument 3
+add
+call Screen.drawHorizontal 3
+pop temp 0
+push constant 0
+return
+function Screen.drawCircle 3
+push argument 0
+push constant 0
+lt
+push argument 0
+push constant 511
+gt
+or
+push argument 1
+push constant 0
+lt
+or
+push argument 1
+push constant 255
+gt
+or
+if-goto IF_TRUE0
+goto IF_FALSE0
+label IF_TRUE0
+push constant 12
+call Sys.error 1
+pop temp 0
+label IF_FALSE0
+push argument 0
+push argument 2
+sub
+push constant 0
+lt
+push argument 0
+push argument 2
+add
+push constant 511
+gt
+or
+push argument 1
+push argument 2
+sub
+push constant 0
+lt
+or
+push argument 1
+push argument 2
+add
+push constant 255
+gt
+or
+if-goto IF_TRUE1
+goto IF_FALSE1
+label IF_TRUE1
+push constant 13
+call Sys.error 1
+pop temp 0
+label IF_FALSE1
+push argument 2
+pop local 1
+push constant 1
+push argument 2
+sub
+pop local 2
+push argument 0
+push argument 1
+push local 0
+push local 1
+call Screen.drawSymetric 4
+pop temp 0
+label WHILE_EXP0
+push local 1
+push local 0
+gt
+not
+if-goto WHILE_END0
+push local 2
+push constant 0
+lt
+if-goto IF_TRUE2
+goto IF_FALSE2
+label IF_TRUE2
+push local 2
+push constant 2
+push local 0
+call Math.multiply 2
+add
+push constant 3
+add
+pop local 2
+goto IF_END2
+label IF_FALSE2
+push local 2
+push constant 2
+push local 0
+push local 1
+sub
+call Math.multiply 2
+add
+push constant 5
+add
+pop local 2
+push local 1
+push constant 1
+sub
+pop local 1
+label IF_END2
+push local 0
+push constant 1
+add
+pop local 0
+push argument 0
+push argument 1
+push local 0
+push local 1
+call Screen.drawSymetric 4
+pop temp 0
+goto WHILE_EXP0
+label WHILE_END0
+push constant 0
+return
diff --git a/tools/OS/String.vm b/tools/OS/String.vm
new file mode 100644
index 0000000..9b7577e
--- /dev/null
+++ b/tools/OS/String.vm
@@ -0,0 +1,393 @@
+function String.new 0
+push constant 3
+call Memory.alloc 1
+pop pointer 0
+push argument 0
+push constant 0
+lt
+if-goto IF_TRUE0
+goto IF_FALSE0
+label IF_TRUE0
+push constant 14
+call Sys.error 1
+pop temp 0
+label IF_FALSE0
+push argument 0
+push constant 0
+gt
+if-goto IF_TRUE1
+goto IF_FALSE1
+label IF_TRUE1
+push argument 0
+call Array.new 1
+pop this 1
+label IF_FALSE1
+push argument 0
+pop this 0
+push constant 0
+pop this 2
+push pointer 0
+return
+function String.dispose 0
+push argument 0
+pop pointer 0
+push this 0
+push constant 0
+gt
+if-goto IF_TRUE0
+goto IF_FALSE0
+label IF_TRUE0
+push this 1
+call Array.dispose 1
+pop temp 0
+label IF_FALSE0
+push pointer 0
+call Memory.deAlloc 1
+pop temp 0
+push constant 0
+return
+function String.length 0
+push argument 0
+pop pointer 0
+push this 2
+return
+function String.charAt 0
+push argument 0
+pop pointer 0
+push argument 1
+push constant 0
+lt
+push argument 1
+push this 2
+gt
+or
+push argument 1
+push this 2
+eq
+or
+if-goto IF_TRUE0
+goto IF_FALSE0
+label IF_TRUE0
+push constant 15
+call Sys.error 1
+pop temp 0
+label IF_FALSE0
+push argument 1
+push this 1
+add
+pop pointer 1
+push that 0
+return
+function String.setCharAt 0
+push argument 0
+pop pointer 0
+push argument 1
+push constant 0
+lt
+push argument 1
+push this 2
+gt
+or
+push argument 1
+push this 2
+eq
+or
+if-goto IF_TRUE0
+goto IF_FALSE0
+label IF_TRUE0
+push constant 16
+call Sys.error 1
+pop temp 0
+label IF_FALSE0
+push argument 1
+push this 1
+add
+push argument 2
+pop temp 0
+pop pointer 1
+push temp 0
+pop that 0
+push constant 0
+return
+function String.appendChar 0
+push argument 0
+pop pointer 0
+push this 2
+push this 0
+eq
+if-goto IF_TRUE0
+goto IF_FALSE0
+label IF_TRUE0
+push constant 17
+call Sys.error 1
+pop temp 0
+label IF_FALSE0
+push this 2
+push this 1
+add
+push argument 1
+pop temp 0
+pop pointer 1
+push temp 0
+pop that 0
+push this 2
+push constant 1
+add
+pop this 2
+push pointer 0
+return
+function String.eraseLastChar 0
+push argument 0
+pop pointer 0
+push this 2
+push constant 0
+eq
+if-goto IF_TRUE0
+goto IF_FALSE0
+label IF_TRUE0
+push constant 18
+call Sys.error 1
+pop temp 0
+label IF_FALSE0
+push this 2
+push constant 1
+sub
+pop this 2
+push constant 0
+return
+function String.intValue 5
+push argument 0
+pop pointer 0
+push this 2
+push constant 0
+eq
+if-goto IF_TRUE0
+goto IF_FALSE0
+label IF_TRUE0
+push constant 0
+return
+label IF_FALSE0
+push constant 0
+not
+pop local 3
+push constant 0
+push this 1
+add
+pop pointer 1
+push that 0
+push constant 45
+eq
+if-goto IF_TRUE1
+goto IF_FALSE1
+label IF_TRUE1
+push constant 0
+not
+pop local 4
+push constant 1
+pop local 0
+label IF_FALSE1
+label WHILE_EXP0
+push local 0
+push this 2
+lt
+push local 3
+and
+not
+if-goto WHILE_END0
+push local 0
+push this 1
+add
+pop pointer 1
+push that 0
+push constant 48
+sub
+pop local 2
+push local 2
+push constant 0
+lt
+push local 2
+push constant 9
+gt
+or
+not
+pop local 3
+push local 3
+if-goto IF_TRUE2
+goto IF_FALSE2
+label IF_TRUE2
+push local 1
+push constant 10
+call Math.multiply 2
+push local 2
+add
+pop local 1
+push local 0
+push constant 1
+add
+pop local 0
+label IF_FALSE2
+goto WHILE_EXP0
+label WHILE_END0
+push local 4
+if-goto IF_TRUE3
+goto IF_FALSE3
+label IF_TRUE3
+push local 1
+neg
+pop local 1
+label IF_FALSE3
+push local 1
+return
+function String.setInt 4
+push argument 0
+pop pointer 0
+push this 0
+push constant 0
+eq
+if-goto IF_TRUE0
+goto IF_FALSE0
+label IF_TRUE0
+push constant 19
+call Sys.error 1
+pop temp 0
+label IF_FALSE0
+push constant 6
+call Array.new 1
+pop local 2
+push argument 1
+push constant 0
+lt
+if-goto IF_TRUE1
+goto IF_FALSE1
+label IF_TRUE1
+push constant 0
+not
+pop local 3
+push argument 1
+neg
+pop argument 1
+label IF_FALSE1
+push argument 1
+pop local 1
+label WHILE_EXP0
+push local 1
+push constant 0
+gt
+not
+if-goto WHILE_END0
+push argument 1
+push constant 10
+call Math.divide 2
+pop local 1
+push local 0
+push local 2
+add
+push constant 48
+push argument 1
+push local 1
+push constant 10
+call Math.multiply 2
+sub
+add
+pop temp 0
+pop pointer 1
+push temp 0
+pop that 0
+push local 0
+push constant 1
+add
+pop local 0
+push local 1
+pop argument 1
+goto WHILE_EXP0
+label WHILE_END0
+push local 3
+if-goto IF_TRUE2
+goto IF_FALSE2
+label IF_TRUE2
+push local 0
+push local 2
+add
+push constant 45
+pop temp 0
+pop pointer 1
+push temp 0
+pop that 0
+push local 0
+push constant 1
+add
+pop local 0
+label IF_FALSE2
+push this 0
+push local 0
+lt
+if-goto IF_TRUE3
+goto IF_FALSE3
+label IF_TRUE3
+push constant 19
+call Sys.error 1
+pop temp 0
+label IF_FALSE3
+push local 0
+push constant 0
+eq
+if-goto IF_TRUE4
+goto IF_FALSE4
+label IF_TRUE4
+push constant 0
+push this 1
+add
+push constant 48
+pop temp 0
+pop pointer 1
+push temp 0
+pop that 0
+push constant 1
+pop this 2
+goto IF_END4
+label IF_FALSE4
+push constant 0
+pop this 2
+label WHILE_EXP1
+push this 2
+push local 0
+lt
+not
+if-goto WHILE_END1
+push this 2
+push this 1
+add
+push local 0
+push this 2
+push constant 1
+add
+sub
+push local 2
+add
+pop pointer 1
+push that 0
+pop temp 0
+pop pointer 1
+push temp 0
+pop that 0
+push this 2
+push constant 1
+add
+pop this 2
+goto WHILE_EXP1
+label WHILE_END1
+label IF_END4
+push local 2
+call Array.dispose 1
+pop temp 0
+push constant 0
+return
+function String.newLine 0
+push constant 128
+return
+function String.backSpace 0
+push constant 129
+return
+function String.doubleQuote 0
+push constant 34
+return
diff --git a/tools/OS/Sys.vm b/tools/OS/Sys.vm
new file mode 100644
index 0000000..3ed7c0c
--- /dev/null
+++ b/tools/OS/Sys.vm
@@ -0,0 +1,84 @@
+function Sys.init 0
+call Memory.init 0
+pop temp 0
+call Math.init 0
+pop temp 0
+call Screen.init 0
+pop temp 0
+call Output.init 0
+pop temp 0
+call Keyboard.init 0
+pop temp 0
+call Main.main 0
+pop temp 0
+call Sys.halt 0
+pop temp 0
+push constant 0
+return
+function Sys.halt 0
+label WHILE_EXP0
+push constant 0
+not
+not
+if-goto WHILE_END0
+goto WHILE_EXP0
+label WHILE_END0
+push constant 0
+return
+function Sys.wait 1
+push argument 0
+push constant 0
+lt
+if-goto IF_TRUE0
+goto IF_FALSE0
+label IF_TRUE0
+push constant 1
+call Sys.error 1
+pop temp 0
+label IF_FALSE0
+label WHILE_EXP0
+push argument 0
+push constant 0
+gt
+not
+if-goto WHILE_END0
+push constant 50
+pop local 0
+label WHILE_EXP1
+push local 0
+push constant 0
+gt
+not
+if-goto WHILE_END1
+push local 0
+push constant 1
+sub
+pop local 0
+goto WHILE_EXP1
+label WHILE_END1
+push argument 0
+push constant 1
+sub
+pop argument 0
+goto WHILE_EXP0
+label WHILE_END0
+push constant 0
+return
+function Sys.error 0
+push constant 3
+call String.new 1
+push constant 69
+call String.appendChar 2
+push constant 82
+call String.appendChar 2
+push constant 82
+call String.appendChar 2
+call Output.printString 1
+pop temp 0
+push argument 0
+call Output.printInt 1
+pop temp 0
+call Sys.halt 0
+pop temp 0
+push constant 0
+return
author	Yuchen Pei <me@ypei.me>	2017-11-29 12:30:41 +0100
committer	Yuchen Pei <me@ypei.me>	2017-11-29 12:30:41 +0100
commit	a000308104aab27c2dde9a306f1bc654b2db4806 (patch)
tree	aecc628e14c1628b5714281437aba18680cdc27b /tools/OS